Keep your hands and feet close at all times, we don’t know what kinds of fish will be lurking in these tanks!

Enjoy These Scary Halloween Themed Tanks!

Prepare to be shocked by some of the scariest aquariums and fish tanks ever known to man.

Are you all buckled in? Well let’s roll the pictures.

Swimming With The Fishes

Let’s start off this spooky season with some genuinely spine-chilling tanks.

This aquarium was featured in the 1982 horror movie called Two’s A Crowd, let’s use this moment to take in how lovely her complexion is! But all matters aside, this tank gives us quite a fright and is a truly creative Halloween decoration for all you horror-fanatics out there.

Just make sure not to use a real head for this set-up!

One-Armed Smitty

Up next, we have this prime piece from the Pirate Seas.

Dripping in ye olde gold, this severed arm can be a spectacular centerpiece for tanks of any size. Best of all, it’s a do-it-yourself project that you can create with potting soil, acrylic paint and a little creativity!

Thinktank

Turn your tank into a science experiment by putting a brain it!

This glowing tank of fun can be made at home so even you can be a mad scientist with this Halloween theme aquarium.

Trick-Or-Treat

If the previous tanks were too scary for you, here is some kid-friendly Halloween themed aquariums.

These cute tanks will make your children smile and are easier to create. Let’s start with this adorable tank that is all bright with grins and treats. These simple aquarium decorations can be purchased at your local pet store or online. Do you think your fish would like to swim inside the pumpkin? Please let us know in the comments below the post.

Oh wait, no!! There he is! What the heck is that?!

If you know what type of fish this is, please tell us in the comments.

Enjoy These Scary Gross Aquariums Full of Algae

And now, for the most horrific aquariums of them all! Presenting: the grossest and scummiest fish tanks you have ever laid your eyes on. Take a deep breath before moving on to the next pictures. You won’t want to take a whiff of these gross tanks that are scary enough to be considered part of our Halloween Themed Aquariums.

Nuclear Zone

Let’s put on our hazmat suits and rescue these fish!

The winner of appalling aquariums is this fuzzy mess. This green type of algae seems to have overtaken the tank completely, making this a borderline bio-hazard.

20,000 Leagues Under The Sea

Runner up is this algae-ridden tank!

Is that a jellyfish or an algae bomb waiting to happen in the upper right of the aquarium? There’s actually still some fish living in there as well. Ahhh, somebody save them!!

Have Enough of These Terrifying Halloween Themed Aquariums?

Well let us give you a little light and joy at the end of the tunnel: a gorgeous clean tank, courtesy of Nualgi! If you want to learn more about how Nualgi Aquarium works, Nualgi will boost your aquarium’s ecosystem while balancing out the bacteria to keep algae out of the mix!

Fish Tank Warning!

If you don’t want your tank to get as scary as these ones, try Nualgi Aquarium today for a proven clean! We will freshen up your aquarium and keep it glowing. Your fish will thank you!